205553520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4111

約数の個数: 120

約数和(自身を含む): 700214112

約数和(自身を除く): 494660592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4021, 4260, 5112, 5680, 6390, 8042, 8520, 10224, 12063, 12780, 16084, 17040, 20105, 24126, 25560, 32168, 36189, 40210, 48252, 51120, 60315, 64336, 72378, 80420, 96504, 120630, 144756, 160840, 180945, 193008, 241260, 285491, 289512, 321680, 361890, 482520, 570982, 579024, 723780, 856473, 965040, 1141964, 1427455, 1447560, 1712946, 2283928, 2569419, 2854910, 2895120, 3425892, 4282365, 4567856, 5138838, 5709820, 6851784, 8564730, 10277676, 11419640, 12847095, 13703568, 17129460, 20555352, 22839280, 25694190, 34258920, 41110704, 51388380, 68517840, 102776760, 205553520]

約数ペア:

[(1, 205553520), (2, 102776760), (3, 68517840), (4, 51388380), (5, 41110704), (6, 34258920), (8, 25694190), (9, 22839280), (10, 20555352), (12, 17129460), (15, 13703568), (16, 12847095), (18, 11419640), (20, 10277676), (24, 8564730), (30, 6851784), (36, 5709820), (40, 5138838), (45, 4567856), (48, 4282365), (60, 3425892), (71, 2895120), (72, 2854910), (80, 2569419), (90, 2283928), (120, 1712946), (142, 1447560), (144, 1427455), (180, 1141964), (213, 965040), (240, 856473), (284, 723780), (355, 579024), (360, 570982), (426, 482520), (568, 361890), (639, 321680), (710, 289512), (720, 285491), (852, 241260), (1065, 193008), (1136, 180945), (1278, 160840), (1420, 144756), (1704, 120630), (2130, 96504), (2556, 80420), (2840, 72378), (3195, 64336), (3408, 60315), (4021, 51120), (4260, 48252), (5112, 40210), (5680, 36189), (6390, 32168), (8042, 25560), (8520, 24126), (10224, 20105), (12063, 17040), (12780, 16084)]